The True 3D Display apparently works by focusing laser light to produce plasma excitation from the oxygen and nitrogen in the air, DigInfo.tv reports.

According to those behind the project, it is the world's first piece of kit to display images without the use of a screen. Have a ganders at the video below for further details and a clip of it in action:

The tech was on show at last month's Digital Contents Expo in Tokyo. Now, if they'd just project an image of a Princess Leia in distress, and squash it down to fit inside an Astro droid… ®